Punching bag



FIG. 1 is a front-right-top perspective view of the punching bag showing my new design;

FIG. 2 is a front-right-bottom perspective view thereof;

FIG. 3 is a front-left-top perspective view thereof;

FIG. 4 is a rear-left-top perspective view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a left side elevational view of the punching bag, wherein the right side elevational view is a mirror image thereof;

FIG. 8 is a top plan view thereof; and,

FIG. 9 is a bottom plan view thereof.

The broken lines in the drawings illustrate portions of the punching bag that form no part of the claimed design. 

CLAIM The ornamental design for a punching bag, as shown and described. 